# Posts by Emme

Total # Posts: 9

**math**

Epic

**Math**

The algebraic relation d= 0.0056s2 +0.14s models the relation between a vehicle's stopping distance d, in metres and its speed s, in km/h. a) What is the fastest you could drive and still be able to stop within 80m? b) What is the stopping distance for a car traveling at ...

**Math**

The algebraic relation d= 0.0056s2 +0.14s models the relation between a vehicle's stopping distance d, in metres and its speed s, in km/h. a) What is the fastest you could drive and still be able to stop within 80m? b) What is the stopping distance for a car traveling at ...

**Math**

Kathy drove from Dry Creek to Cactus, a distance of 250km. She increased her speed by 10km/h for the 360km trip from Cactus to spur. If the total trip took 1 hours, what was her speed from Dry creek to Cactus.

**Math**

A jet flew from Tokyo to Bangkok, a distance of 4800km. On the return trip the speed was decreased by 200km/h. If the difference times of the fights was 2 hours, what was the speed from Bangkok to Tokyo.

**Math**

A bus company has 4000 passengers daily, each paying a fare of $2. For each $0.15 increase, the company estimates that it will lose 40 passengers. If the company needs to take in $10,450 per day to stay in business, what fare should be charged?

**algebra**

18a^-20/8a^9

**Math**

Alex has 7 dimes and 3 nickels. What fraction of the coins are dimes?

**math**

The measure of a supplemental angle is 25 degrees more than 7 times the measure angle. What is the measure of the angle?